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AMSC
American Superconductor Corp
stock NASDAQ

At Close

Sep 1, 2026 3:59:57 PM EDT

28.57USD-0.488%(-0.14)807,108

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 1, 2026 9:29:59 AM EDT

28.22USD-1.707%(-0.49)1,796

After-hours

Sep 1, 2026 4:51:30 PM EDT

28.65USD+0.280%(+0.08)2,132

OverviewOptionsHistoricalExchange VolumeShortsMore

AMSC Volume Sep 1, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	51.24	340,752	44.02
Nasdaq GSM	24.64	163,887	32.94
NYSE Arca	8.96	59,585	7.33
Cboe BZX	3.93	26,133	4.12
IEX	3.57	23,713	3.86
Cboe EDGX	3.32	22,067	3.61
Cboe BYX	1.16	7,742	0.61
NYSE	1.05	7,006	1.04
MEMX	0.94	6,282	1.18
Cboe EDGA	0.46	3,045	0.30
Nasdaq BX	0.16	1,090	0.22
NYSE National	0.13	892	0.19
MIAX Pearl	0.11	722	0.25
NYSE American	0.09	599	0.10
Nasdaq PHLX	0.08	524	0.18
LTSE	0.05	317	0.00
CHX	0.04	257	0.03
24X National	0.04	234	0.02
Texas Stock Exchange LLC	0.03	200	0.01

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

AMSC Nutrition Facts

0.87 servings per container

Serving size

762.10K

Calories

665.05K

% Day

% Avg

Off Exchange¹ 341K

51.24%

44.02%

Nasdaq GSM 164K

24.64%

32.94%

NYSE Arca 60K

8.96%

7.33%

Cboe BZX 26K

3.93%

4.12%

IEX 24K

3.57%

3.86%

Cboe EDGX 22K

3.32%

3.61%

Cboe BYX 8K

1.16%

0.61%

NYSE 7K

1.05%

1.04%

MEMX 6K

0.94%

1.18%

Cboe EDGA 3K

0.46%

0.30%

Nasdaq BX 1K

0.16%

0.22%

NYSE National 892

0.13%

0.19%

MIAX Pearl 722

0.11%

0.25%

NYSE American 599

0.09%

0.10%

Nasdaq PHLX 524

0.08%

0.18%

LTSE 317

0.05%

0.00%

CHX 257

0.04%

0.03%

24X National 234

0.04%

0.02%

Texas Stock Exchange LLC 200

0.03%

0.01%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

AMSC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 340,752, which is 51.24% of today's total volume.
Today's Lit volume is 324,295, which is 48.76%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.02%.
The average Lit volume has been 55.98%.

AMSC Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

IEX

Cboe EDGX

Cboe BYX

NYSE

MEMX

Cboe EDGA

Nasdaq BX